National Audubon Society Field Guide to Trees - Western Region - North America. This first all-photographic field guide highlights, in 855 full-color images, the significant details of virtually all the trees native to western North America and many cultivated species, as you see them in their natural habitats. The guide covers 312 trees from the Pacific coast to central Texas and the Rockies. Each species is fully described, including habitat, range, and lore. Vinyl cover, 638 pages, 4" x 7 ½". To order by phone call toll free 866-596-9982. Free Shipping!